CN110449583A - A kind of method that laser quickly prepares metal nano porous material - Google Patents
A kind of method that laser quickly prepares metal nano porous material Download PDFInfo
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- CN110449583A CN110449583A CN201910764744.3A CN201910764744A CN110449583A CN 110449583 A CN110449583 A CN 110449583A CN 201910764744 A CN201910764744 A CN 201910764744A CN 110449583 A CN110449583 A CN 110449583A
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- metal nano
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/11—Making porous workpieces or articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The invention discloses a kind of methods that laser quickly prepares metal nano porous material, and nano material is distributed in easy volatile solvent, by ultrasound, heating and centrifugal treating, remove the dispersing agent of nano-material surface, obtain the nano pulp of high concentration.Nano pulp is spin-coated on substrate, after solvent volatilizees completely, places light transmitting sheet on the coat of substrate.Laser passes through light transmitting sheet, along setting path scanning nano material, to obtain metal nano porous material.This method is suitable for easily dispersion zero dimension or one-dimensional metal nano material in a solvent, has reproducible, and controllability is strong, the fast advantage of speed of production.
Description
Technical field
The invention belongs to nano functional structure/material preparation technical fields, are related to a kind of two dimension or three-D nano-porous
The preparation method of material, specifically, the present invention relates to a kind of methods that laser quickly prepares metal nano porous material.
Background technique
Nano-porous materials are a kind of solid materials with abundant microstructure, in adsorbing separation, analysis, catalysis, storage
The fields such as energy, biology are widely applied.The preparation method of large area porous nanometer material has the development of science and technology important
Meaning.Current researcher has invented the preparation method of many nano-porous materials, as electrochemical synthesis, hydro-thermal method,
Pressure sintering, microwave process for synthesizing etc., but these methods have certain defect.As electrochemical synthesis be it is a kind of it is expensive, to ring
The harmful technology in border, and can only be just effective in narrow alloy component range；Hydro-thermal method, pressure sintering and microwave process for synthesizing speed
Slowly, low efficiency.
Summary of the invention
It is an object of the invention in the preparation of existing nano-porous materials, at high cost, the nothings such as time-consuming of appearance
Method realizes the problem of large-scale industrial production, proposes a kind of method that laser quickly prepares metal nano porous material.
The invention is realized by the following technical scheme:
Nano material is distributed in easy volatile solvent, by ultrasound, heating and centrifugation, obtains the nano slurry of high concentration
Material.Nano pulp is spin-coated on substrate, after solvent volatilizees completely, light transmitting sheet is placed above substrate.Laser passes through light transmission
Piece, along setting path scanning nano material, to obtain nano-porous materials.
The method of the present invention is completed especially by following steps:
A kind of method that laser quickly prepares metal nano porous material, characterized in that it comprises the following steps:
Step 1, needing to prepare the corresponding metal nano material solution of metal nano porous material, to be dispersed in volatility molten
In agent, mixed solution is formed；
Mixed solution is carried out ultrasound by step 2；
Mixed solution after step 3, ultrasound carries out constant temperature water bath heating；
Step 4, constant temperature water bath is heated after mixed solution carry out centrifugal concentrating, formed nano pulp；
Nano pulp is spin-coated on substrate by step 5；
Step 6, the substrate for being coated with nano pulp carry out vacuum and heating drying；
Upper light transmitting sheet is pressed in step 7, nano pulp sufficiently dry on substrate, passes through light transmitting sheet according to setting using laser
Determine the nano pulp on the scanning substrate of path；
After step 8, the end of scan, metal nano porous material is obtained.
Preferably, the operation of the step 1 mixed solution into step 4 carries out in centrifuge tube.
Preferably, in the step 4, after mixed solution carries out centrifugal concentrating removal supernatant liquor, according to step 1 to step
Rapid 3, it repeats plus volatile solvent-ultrasound-heating water bath-centrifugation-removal supernatant circulation is multiple, finally obtain receiving for high-purity
Rice & peanut milk material.
Preferably, it is 3-7 times that mixed solution, which carries out centrifugal concentrating cycle-index, in the step 4.
Preferably, in the step 1, metal nano material is metal nano ball and or metal nano wire material,
In, the diameter of metal nanoparticle is 20nm~800nm, and the diameter of metal nanometer line is 30~600nm.
Preferably, the volatile solvent is alcohols, ketone, benzene class, chloroform and deionized water in the step 1
In any one or a few mixture.
Preferably, the ratio between 102 volume of volatile solvent volume and metal nano material solution is 10 in the step 1
~20.
Preferably, ultrasonic time is greater than preferably 30~120s in the step 2；Ultrasonic power is preferably provided with 80%
~100%.
Preferably, the centrifugal rotational speed of centrifugal concentrating is 4000~12000rad/min, centrifugation time in the step 3
For 3min~10min.
Preferably, the temperature of vacuum and heating drying is 35~65 DEG C in the step 6；The vacuum and heating drying time is
10~600s.
The medicine have the advantages that
The present invention provides it is a kind of utilize laser assisted, the method for preparing metal nano porous material, have it is reproducible,
Controllability is strong, the fast advantage of speed of production.
Detailed description of the invention
Fig. 1 is the process of the method provided in an embodiment of the present invention that metal nano porous material is quickly prepared using laser
Figure.
Fig. 2 is the stereoscan photograph for the silver nano-grain that the embodiment of the present invention 2 uses.
Fig. 3 is the stereoscan photograph for the silver nanowires that the embodiment of the present invention 1 and 2 uses.
Fig. 4 is the stereoscan photograph of the nano-porous materials of silver nano-grain preparation in the embodiment of the present invention 1.
Fig. 5 is the scanning electron microscope of silver nano-grain and the nano-porous materials of silver nanowires preparation in the embodiment of the present invention 2
Photo.
100- suction pipe, 101- centrifuge tube, 102- metal nano material solution, 103- volatile solvent, 104- ultrasonic cleaning
Machine, 105- hot water, 106- beaker, 107- centrifuge, 108- supernatant, 109- metal nano slurry, 110- substrate, 111- swash
Light, 112- light transmitting sheet, 113- metal nano porous material.
Specific embodiment
The contents of the present invention are further illustrated combined with specific embodiments below, are only to presently preferred embodiments of the present invention below
, should not be construed as limiting the invention.Any known professional and technical personnel possibly also with the disclosure above technology
Content is changed to the equivalent embodiment changed on an equal basis.Without departing from the concept of the present invention, technology according to the present invention
Any simple modification or equivalent variations that essence makes following embodiment, all fall in scope of the invention.
Fig. 1 is the flow diagram that the present invention prepares nano-porous materials method.Based on the flow chart, below in conjunction with specific
Embodiment that technical solution of the present invention is further described, as shown in Figure 1, quickly to prepare metal nano porous for a kind of laser
The method of material, including the following steps:
Step 1: the metal nano material solution 102 of needs is transferred in centrifuge tube 101 with suction pipe 100；
Step 2: suitable volatile solvent 103 is then added in centrifuge tube 101；
Ultrasound is carried out Step 3: centrifuge tube 101 is placed in supersonic cleaning machine 104；
Step 4: taking out centrifuge tube 101 after ultrasound and being placed in beaker 106, added with water-bath is carried out in hot water 105
Heat；
Step 5: centrifuge tube 101 is placed in centrifuge 107 and is centrifuged after heating water bath；
Step 6: removing supernatant 108 after centrifugation, leaving the metal nano slurry 109 of high concentration.It repeats plus waves
Hair property solvent 103- ultrasound-heating water bath-centrifugation-removal supernatant 108 is for several times；
Step 7: the metal nano slurry 109 of high-purity is spin-coated on substrate 110；
Step 8: substrate 110 carries out vacuum and heating drying；
Step 9: pressing upper light transmitting sheet 112 in substrate 110 after the sufficiently drying of nano pulp 109.Laser 111 passes through light transmission
Piece, according to setting path scanning substrate 110；
Step 10: static a moment can be obtained metal nano porous material 113 after 111 end of scan of laser.
In step 1, the metal nano material is metal nano ball, metal nano wire material or its mixing material.Gold
The diameter of metal nano-particle is greater than 8nm, preferably 20nm~800nm.The diameter of metal nanometer line be greater than 8nm, preferably 30~
600nm。
In step 2, the volatile solvent 103 is the effumabilities such as alcohols, ketone, benzene class, chloroform, deionized water
Solvent or its mixed solution.
The ratio between 102 volume of metal nano material solution is greater than 5 in 103 volume of volatile solvent and step 1 in step 2,
It is preferred that 10~20.
In step 3, the thickness of its described ultrasonic length of time, ultrasonic power size and nano material surface active agent
Related, ultrasonic time is greater than 20s, preferably 30~120s；Ultrasonic power setting is greater than 70%, is preferably provided with 80%~100%.
In step 5,107 revolving speed of centrifuge, centrifugation time are related with the temperature of nanomaterial solution, centrifuge
Revolving speed is greater than 2500rad/min, preferably 4000~12000rad/min.Centrifugation time be greater than 2min, preferably 3min~
10min。
In step 6, the number of repetition is related with the volume ratio in claim 4, when volume ratio is 10, repeats secondary
Number is 3；When volume ratio is 15, it is repeated 2 times；When volume ratio is 20, number of repetition 1, this repeats the mesh for adding volatile solvent
Be remove metal nano material on dispersing agent.
In step 7, the substrate 110 is the smooth metal substrate in the surface after grinding.Metal substrate after grinding
Roughness grade less than 0.2, preferably 0.012~0.1.
In step 8, the temperature of the described vacuum and heating drying setting is greater than room temperature, and preferably 35~65 DEG C；Heating in vacuum is dry
The dry time is greater than 5s, preferably 10~600s.
In step 9, the light transmitting sheet is the rigidity or soft light piece of surfacing, according to different needs, it is preferred that
Rigid light transmissible piece be simple glass, Iceland spar, rock quartz etc., preferred soft light piece is PC (polycarbonate), PS (polyphenyl
Ethylene), the polymer such as PO polyolefin.The laser is nanosecond laser, picosecond laser or femtosecond laser, the wave-length coverage of laser
10nm~106nm.Its scanning speed of the laser is greater than 2mm/s, preferably 20~2000mm/s；Spot diameter is greater than 8um, excellent
Select 10~1000um；Laser pulse frequency is greater than 2k, preferably 10~1000k；Optical maser wavelength be greater than 280nm, preferably 315~
1400nm；The power of laser is greater than 15mW, preferably 20~200mW；The pulsewidth of laser is greater than 40fs, preferably 50fs~800ps.
The following are the specific two embodiment cases of the present invention.
Embodiment 1
It is that 10mg/ml silver nanowires is distributed in the centrifuge tube of 4ml by 800ul concentration, deionized water is used in centrifuge tube
It is filled at 4ml scale.Centrifuge tube is put into the supersonic cleaning machine of 100W, ultrasonic 1.5min.It takes out centrifuge tube and is put into 65 DEG C
In beaker, heating water bath 3h.Centrifuge tube is put into centrifuge again, 4min is centrifuged with the revolving speed of 4000r/min.After centrifuge separation,
The supernatant of 3.5ml is taken out with suction pipe, repeats to add deionized water-ultrasound-heating-centrifugation process 3 times.
The metallic aluminium on piece that nano pulp is spin-coated to surfacing is put sheet glass after deionized water is volatilized completely
It sets in metallic aluminium on piece, pushes down nano material.
It is scanned with the femtosecond laser of wavelength 1030nm power 44mW with the speed of 2000mm/s, to prepare nanometer
Silver-colored porous material.
Embodiment 2
By 400ul concentration be 10mg/ml silver nanowires and 1000ul concentration is that 0.1mg/ml silver nano-grain is distributed to 4ml
Centrifuge tube in, alcohol is spent in centrifuge tube and is filled at 4ml scale.Centrifuge tube is put into the supersonic cleaning machine of 100W, is surpassed
Sound 50s.It takes out centrifuge tube to be put into 60 DEG C of beaker, heating water bath 2h.Centrifuge tube is put into centrifuge again, with 12000r/min
Revolving speed be centrifuged 5min.After centrifuge separation, the supernatant of 3.5ml is taken out with suction pipe, repeats plus deionized water-ultrasound-adds
Heat-centrifugation process 3 times.
The metallic aluminium on piece that nano pulp is spin-coated to surfacing is put sheet glass after deionized water is volatilized completely
It sets in metallic aluminium on piece, pushes down nano material.
It is scanned with the femtosecond laser of wavelength 1030nm power 44mW with the speed of 2000mm/s, to prepare nanometer
Silver-colored porous material.
Claims (10)
1. a kind of method that laser quickly prepares metal nano porous material, characterized in that it comprises the following steps:
Step 1 will need to prepare the corresponding metal nano material solution of metal nano porous material and be dispersed in volatile solvent,
Form mixed solution；
Mixed solution is carried out ultrasound by step 2；
Mixed solution after step 3, ultrasound carries out constant temperature water bath heating；
Step 4, constant temperature water bath is heated after mixed solution carry out centrifugal concentrating, formed nano pulp；
Nano pulp is spin-coated on substrate by step 5；
Step 6, the substrate for being coated with nano pulp carry out vacuum and heating drying, remove volatile solvent；
Step 7, coating sufficiently dry on substrate are laminated upper light transmitting sheet, pass through light transmitting sheet using laser and sweep according to setting path
Retouch the nano pulp on substrate；
After step 8, the end of scan, metal nano porous material is obtained.
2. the method that laser as described in claim 1 quickly prepares metal nano porous material, it is characterised in that: the step
1 into step 4 operation of mixed solution carried out in centrifuge tube.
3. the method that laser as claimed in claim 1 or 2 quickly prepares metal nano porous material, it is characterised in that: described
In step 4, after mixed solution carries out centrifugal concentrating removal supernatant liquor, according to step 1 to step 3, repeat to add volatile solvent-
Ultrasound-heating water bath-centrifugation-removal supernatant circulation repeatedly, finally obtains the nano pulp of high-purity.
4. the method that laser as claimed in claim 3 quickly prepares metal nano porous material, it is characterised in that: the step
In 4, it is 3-7 times that mixed solution, which carries out centrifugal concentrating cycle-index,.
5. the method that laser as claimed in claim 3 quickly prepares metal nano porous material, it is characterised in that: the step
In 1, metal nano material is metal nano ball and or metal nano wire material, wherein the diameter of metal nanoparticle is 20nm
~800nm, the diameter of metal nanometer line are 30~600nm.
6. the method that laser as claimed in claim 3 quickly prepares metal nano porous material, it is characterised in that: the step
In 1, the volatile solvent is alcohols, ketone, benzene class, any one or a few mixture in chloroform and deionized water.
7. the method that laser as claimed in claim 3 quickly prepares metal nano porous material, it is characterised in that: the step
In 1, the ratio between 102 volume of volatile solvent volume and metal nano material solution is 10~20.
8. the method that laser as claimed in claim 3 quickly prepares metal nano porous material, it is characterised in that: the step
In 2, ultrasonic time is greater than preferably 30~120s；Ultrasonic power is preferably provided with 80%~100%.
9. the method that laser as claimed in claim 3 quickly prepares metal nano porous material, it is characterised in that: the step
In 3, the centrifugal rotational speed of centrifugal concentrating is 4000~12000rad/min, and centrifugation time is 3min~10min.
10. the method that laser as claimed in claim 3 quickly prepares metal nano porous material, it is characterised in that: the step
In rapid 6, the temperature of vacuum and heating drying is 35~65 DEG C；The vacuum and heating drying time is 10~600s.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111001939A (en) * | 2019-11-28 | 2020-04-14 | 长春理工大学 | Method for realizing multiple femtosecond laser nanometer processing patterns |
| CN111906312A (en) * | 2020-07-08 | 2020-11-10 | 广东工业大学 | Method for preparing flexible liquid absorption core by laser-induced reduction sintering of copper oxide ink |
| CN111964500A (en) * | 2020-07-08 | 2020-11-20 | 广东工业大学 | Method for preparing flexible micro heat pipe by laser-induced reduction sintering of copper oxide ink |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357876A (en) * | 2013-07-29 | 2013-10-23 | 西北有色金属研究院 | Preparation method for nano multihole copper film |
| CN104109823A (en) * | 2014-07-04 | 2014-10-22 | 南昌航空大学 | Method for preparing carbon nanotube-reinforced iron-rich porous composite material through laser-induction composite cladding |
| CN106825547A (en) * | 2017-03-08 | 2017-06-13 | 哈尔滨工业大学 | The method of the increasing material manufacturing metal polyporous material of selective laser melting metal micro-nano hybrid particles solution under air ambient |
| CN106825575A (en) * | 2017-04-12 | 2017-06-13 | 广东工业大学 | A kind of honeycomb alloy material and its application |
| WO2018017581A1 (en) * | 2016-07-18 | 2018-01-25 | Board Of Regents, University Of Texas System | Nano/micro scale porous structured alloys using selective alloying process based on elemental powders |
-
2019
- 2019-08-19 CN CN201910764744.3A patent/CN110449583B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357876A (en) * | 2013-07-29 | 2013-10-23 | 西北有色金属研究院 | Preparation method for nano multihole copper film |
| CN104109823A (en) * | 2014-07-04 | 2014-10-22 | 南昌航空大学 | Method for preparing carbon nanotube-reinforced iron-rich porous composite material through laser-induction composite cladding |
| WO2018017581A1 (en) * | 2016-07-18 | 2018-01-25 | Board Of Regents, University Of Texas System | Nano/micro scale porous structured alloys using selective alloying process based on elemental powders |
| CN106825547A (en) * | 2017-03-08 | 2017-06-13 | 哈尔滨工业大学 | The method of the increasing material manufacturing metal polyporous material of selective laser melting metal micro-nano hybrid particles solution under air ambient |
| CN106825575A (en) * | 2017-04-12 | 2017-06-13 | 广东工业大学 | A kind of honeycomb alloy material and its application |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111001939A (en) * | 2019-11-28 | 2020-04-14 | 长春理工大学 | Method for realizing multiple femtosecond laser nanometer processing patterns |
| CN111001939B (en) * | 2019-11-28 | 2021-11-19 | 长春理工大学 | Method for processing multiple nano patterns by femtosecond laser |
| CN111906312A (en) * | 2020-07-08 | 2020-11-10 | 广东工业大学 | Method for preparing flexible liquid absorption core by laser-induced reduction sintering of copper oxide ink |
| CN111964500A (en) * | 2020-07-08 | 2020-11-20 | 广东工业大学 | Method for preparing flexible micro heat pipe by laser-induced reduction sintering of copper oxide ink |
| CN111906312B (en) * | 2020-07-08 | 2022-06-14 | 广东工业大学 | Method for preparing flexible liquid absorption core by laser-induced reduction sintering of copper oxide ink |
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